20206120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2417}}^1$

素因数の和:2458

約数の個数: 64

約数和(自身を含む): 52228800

約数和(自身を除く): 32022680

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 2417, 4180, 4834, 8360, 9668, 12085, 19336, 24170, 26587, 45923, 48340, 53174, 91846, 96680, 106348, 132935, 183692, 212696, 229615, 265870, 367384, 459230, 505153, 531740, 918460, 1010306, 1063480, 1836920, 2020612, 2525765, 4041224, 5051530, 10103060, 20206120]

約数ペア:

[(1, 20206120), (2, 10103060), (4, 5051530), (5, 4041224), (8, 2525765), (10, 2020612), (11, 1836920), (19, 1063480), (20, 1010306), (22, 918460), (38, 531740), (40, 505153), (44, 459230), (55, 367384), (76, 265870), (88, 229615), (95, 212696), (110, 183692), (152, 132935), (190, 106348), (209, 96680), (220, 91846), (380, 53174), (418, 48340), (440, 45923), (760, 26587), (836, 24170), (1045, 19336), (1672, 12085), (2090, 9668), (2417, 8360), (4180, 4834)]